20180307PAC to Staff UT Q715FS.pdf

PACIFICORP
TRANSMISSION
Large Generator Interconnection
Facilities Study Report
Final
Completed for
("Interconnection Customer")
Q0715
Proposed Point of Interconnection
Canyon Compression-Railroad 138 kV transmission line
(Near Whitney Canyon Tap,near Structure #116)
March 7,2017
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FINAL Facilities Study Report
TABLE OF CONTENTS
1.0 DESCRIPTIONOF THE PROJECT........................................................................................1
2.0 STUDY SCOPE AND OBJECTIVES........................................................................................1
3.0 STUDYASSUMPTIONS ........................................................................................1
4.0 TYPE OF INTERCONNECTIONSERVICE............................................................................2
5.0 PROPOSED POINTOF INTERCONNECTION..........................................................................2
6.0 SCOPE OF WORK ........................................................................................................3
6.1 Generating Facility Modifications ............................................................................3
6.1.1 Interconnection Customer to be Responsible For.....................................................3
6.2 Tie Line Requirements ............................................................................................6
6.2.2 Transmission Provider to be Responsible For ........................................................6
6.3 Point of Interconnection...............................................................................................7
6.3.1 Interconnection Customer to be Responsible For.....................................................7
6.3.2 Transmission Provider to be Responsible For ........................................................7
6.4 Other..............................................................................................................................9
6.4.1 TRANSMISSIONPROVIDER TO BE RESPONSIBLE FOR..................................................9
7.0 CosT ESTIMATE (+/-20%)..........................................................................................10
8.0 SCHEDULE..........................................................................................................................12
9.0 PARTICIPATIONBY AFFECTED SYSTEMS .........................................................................12
10.0 APPENDICES..............................................................................................................13
10.1 Appendix 1:Higher Priority Request..............................................................14
10.2 Appendix 2:Property Requirements ..............................................................15
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1.0 DESCRIPTION OF THE PROJECT
("Interconnection Customer")proposed interconnecting 120 MW of new generation to
PacifiCorp's ("Transmission Provider")Canyon Compression-Railroad 138 kV transmission line
near WhitneyCanyon Tap (near structure #116)located in Uinta County,Wyoming.The project
("Project")will consist of sixty (60)GE 2.0-116 turbines for a total output of 120 MW.The
requested commercial operation date is July 1,2017.
Interconnection Customer will NOT operate this generator as a Qualified Facility as defined by
the Public Utility Regulatory Policies Act of 1978 (PURPA).
The Transmission Provider has assigned the Project "Q0715."
2.0 STUDY SCOPE AND OBJECTIVES
The objective of the facilities study is to:
complete a facilities analysis,which shall specify and estimate the cost of equipment,
engineering,procurement,and construction required to address issues as outlined in the
system impact study,and
provide a scope of work and an estimated cost and schedule for completing the scope of
work.
3.0 STUDYASSUMPTIONS
All active higher priority transmission service and/or generator interconnection requests will
be considered in this study and are listed in Appendix 1.If any of these requests are withdrawn,
the Transmission Provider reserves the right to restudy this request,as the results and
conclusions contained within this study could significantlychange.
For study purposes there are two separate queues:
o Transmission Service Queue:to the extent practical,all network upgrades that are
required to accommodate active transmission service requests will be modeled in
this study.
o Generation Interconnection Queue:Interconnection Facilities associated with
higher queue interconnection requests will be modeled in this study.
The Interconnection Customer's request for energy or network resource interconnection
service in and of itself does not convey transmission service.Only a Network Customer may
make a request to designate a generatingresource as a Network Resource.Because the queue
of higher priority transmission service requests may be different when a Network Customer
requests network resource designation for this Generating Facility,the available capacity or
transmission modifications,if any,necessary to provide network resource interconnection
service may be significantlydifferent.Therefore,the Interconnection Customer should regard
the results of this study as informational rather than final.
This study assumes the Project will be integrated into Transmission Provider's system at the
agreed upon and/or proposed Point of Interconnection ("POI").
The Interconnection Customer will construct and own any facilities required between the POI
and the Project.
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Generatortripping may be required for certain outages.
All facilities will meet or exceed the minimum Western Electricity Coordinating Council
("WECC"),North American Electric ReliabilityCorporation ("NERC"),and Transmission
Provider performance and design standards.
A synchronous condenser at Standpipe substation is assumed to be in service.
The Croyden -Silver Creek 138kV line is assumed to be in service.
This report is based on information available at the time of the study.It is the Interconnection
Customer's responsibility to check the Transmission Provider's web site regularly for
Transmission system updates at (http://www.pacificorp.com/tran.html)
4.0 TYPE OF INTERCONNECTION SERVICE
The Interconnection Customer has selected Energy ("ER")Interconnection Service.
5.0 PROPOSED POINT OF INTERCONNECTION
The Interconnection Customer's proposed Generating Facility is to be interconnected through a
new substation southwest of the Whitney Canyon Tap point in Uinta County on the Canyon
Compression -Railroad 138kV transmission line.Figure 1 below is a one-line diagram that
illustrates the interconnection of the proposed Generating Facility to the Transmission Provider's
system.
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WhitneyCanyon
2 0.3 miles
|Canyon Compression
I I
I I
I I
I \I
I I
Q0715 POI
I Substation i
I I
I I
I I
I Pointof I
I Interconnection i
138 kV
Railroad
e 3
3 .5 kV
34.5 kVQ0715
..Substation i
Figure 1:System One Line Diagram
6.0 SCOPE OF WORK
6.1 Generating Facility
The followingoutlines the design,procurement,construction,installation and ownership of
equipment at the Interconnection Customer's Generation Facility.
6.1.1 INTERCONNECTION CUSTOMER TO BE RESPONSIBLEFOR
Provide a separate secured room within the Interconnection Customer's control
building which can only be accessed by Transmission Provider personnel via
unencumbered access to the building without entering the Interconnection Customer's
collector substation.This will include all AC and DC power requirements as outlined
during the detailed design phase of the Project.An area within the collector substation
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fence,only accessible by the Transmission Provider with access to the control must
also be large enough for a standard Transmission Provider vehicle.
Provide rack space for Transmission Provider to install fiber nodes,multiplexand fiber
termination panels within the collector substation.This equipment will be owned by
the Transmission Provider and maintained at the Interconnection Customer's expense.
Prior to construction,arrange for construction power with the Transmission Provider.
The metering shall conform to the Six State Electric Service Requirements manual as
the site is within the Transmission Provider's service territory.
Arrange bidirectional metering for permanent station service load.Please note that
prior to back feed,Interconnection Customer must arrange distribution voltage retail
meter service for electricityconsumed by the Project and arrange backup station service
for power that will be drawn from the transmission line when the Project is not
generating.Interconnection Customer must call the PCCC Solution Center 1-800-640-
2212 to arrange this service.Approval for back feed is contingent upon obtaining
station service.
Operate the Generating Facility in voltage control mode with the ability to deliver
power output to the POI within the range of+/-0.95 power factor.(Please see Standard
Large Generator Interconnection Agreement,article 9.6.1 and 9.6.2.)Any additional
reactive compensation must be designed such that the discrete switching of the reactive
device,if required,does not cause step voltage changes greater than ±3%at any load
serving bus on the Transmission Provider's system.
Operate the Generating Facility to maintain the voltage at the POI,or other designated
point as deemed appropriated by Transmission Provider,between 1.00 per unit to 1.04
per unit.As required by NERC standard VAR-001-la,the Transmission Provider will
provide a voltage schedule for the POI.The Transmission Provider may also specify a
voltage and/orreactivepower bandwidth as needed to coordinate with upstream voltage
control devices such as on-load tap changers.At the Transmission Provider's
discretion,these values might be adjusted depending on operating conditions.The
voltage control settings of the Generating Facility must be coordinated with the
Transmission Provider prior to energization (or interconnection).The reactive
compensation must be designed such that the discreet switching of the reactive device
(if required by the Interconnection Customer)does not cause step voltage changes
greater than +/-3%on the Transmission Provider's system.
o Ensure the power factor within +/-0.95 is maintained at the POI to minimize the
reactive power flow towards the transmission system to prevent high voltages
during times of low output levels.Transmission Provider has experienced high
voltages in the Wyomingarea when the transmission system is lightly loadedwith
low wind conditions in the area.With low wind conditions the wind farms tend to
supply reactive power into the transmission system increasing the voltage.
o Operate the Generating Facility,if able to do so,with a voltage droop.Voltage
droop control enables proportionate reactive power sharing among Generating
Facilities.Studies will be required to coordinate voltage droop settings if there are
other facilities in the area.It will be the Interconnection Customer's responsibility
to ensure that a voltage coordination study is performed,in coordination with
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Transmission Provider,and implemented with appropriate coordination settings
prior to umt testmg.
o Complete any additional studies to determine whether critical interactions,
including but not limited to control systems,exist.These studies are to be
coordinated with Transmission Provider,and are the responsibility of the
Interconnection Customer.
o Install Phasor MeasurementUnits (PMUs).
o Meet the Federal Energy Regulatory Committee (FERC)and WECC low voltage
ride-through requirements as specified in the interconnection agreement.Each of
the Interconnection Customer's step-up transformers will need to be switched with
a 138 kV circuit breaker.
o Provide a standard model from the WECC Approved Dynamic Model Library 180
days prior to trial operation,the Transmission Provider cannot submit a user written
model to WECC for inclusion in base cases.The list of approvedgenerator models
is continuallyupdated and is available on the http://www.WECC.bizwebsite.
6.1.2 TRANSMISSIONPROVIDER TO BE RESPONSIBLEFOR
Design,procure and install communications equipment in Interconnection Customer's
control house includingan RTU,fiber nodes,multiplexand fiber termination panels.
The RTU will acquire the following data points from the Interconnection Customer's
Generating Facility:
From the Q0715 collector substation:
Analogs:
Transformer #1 real power
Transformer #1 reactive power
Real power flow through 34.5 kV line feeder breaker 1
Reactive power flow through 34.5 kV line feeder
breaker 1
Real power flow through 34.5 kV line feeder breaker 2
Reactive power flow through 34.5 kV line feeder
breaker 2
Real power flow through 34.5 kV line feeder breaker 3
Reactive power flow through 34.5 kV line feeder
breaker 3
Real power flow through 34.5 kV line feeder breaker 4
Reactive power flow through 34.5 kV line feeder
breaker 4
Real power flow through 34.5 kV line feeder breaker 5
Reactive power flow through 34.5 kV line feeder
breaker 5
A phase 138kV transmission voltage
B phase 138kV transmission voltage
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C phase 138kV transmission voltage
Average Wind speed
Average Plant Atmospheric Pressure (Bar)
Average Plant Temperature (Celsius)
Status:
138kV breaker Tl
34.5 kV collector circuit breaker 1
34.5 kV collector circuit breaker 2
34.5 kV collector circuit breaker 3
34.5 kV collector circuit breaker 4
34.5 kV collector circuit breaker 5
6.2 Tie Line Requirements
The followingoutlines the design,procurement,construction,installation and ownership of
equipment associated with the radial line connecting the Interconnection Customer's
Generating Facility to the Transmission Provider's Point of Interconnection ("POI")
substation.
6.2.1 INTERCONNECTION CUSTOMER TO BE RESPONSIBLEFOR
Procure all necessary permits,property rights and/or the rights of way for the new
transmission line between the Project collector station the Point of Interconnection
substation,the details of which will need to be coordinatedwith Transmission Provider.
o The location of the new Q0715 POI substation is currentlyunknown,so for the
purposes of this study and associated cost estimate it is assumed to be within one
(1)mile of the Carter Creek -Railroad 138kV transmission.The design and cost
estimate will be refined during detailed design of the Project.
Design (per the Transmission Provider's standards)and install a dead-end structure
with sufficient bus to allow for proper attachment to a 138 kV disconnect switch inside
the Transmission Provider's substation.The switch will be the change of ownership
location.
6.2.2 TRANSMISSIONPROVIDER TO BE RESPONSIBLEFOR
Install,own and maintain,at the Interconnection Customer's expense,OPGW fiber on
the line from Q0715 POI substation to the Q0715 collector substation.Fiber nodes,
multiplexand fiber termination panels are required at both locations.
Provide the Interconnection Customer the necessary specifications to allow the ground
mats of the Interconnection Customer's tie line substation and the POI substation to be
tied together.
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Provide the Interconnection Customer the necessary specifications for the bus
segments of the Interconnection Customer's tie line substation and the new POI
substation to be connected.
6.3 Point of Interconnection
The followingoutlines the design,procurement,construction,installation and ownership of
equipment at the POI.
6.3.1 INTERCONNECTION CUSTOMER TO BE RESPONSIBLEFOR
Construct a tie line substation (having a sole 138kV circuit breaker and associated
equipment)adjacent to the Q0715 POI substation with a common fence between the
two facilities.The short line segment between the tie line substation and the Q0715
POI substation will be considered a bus section and will be protected with redundant
bus differential relay systems.The bus differential relays will be located in the Q0715
POI substation.
Tie together the ground mats of the two substations and match the standards of the
Q0715 POI substation.
Provide the output from two sets of current transformers to be fed into the bus
differential relays with a maximum current transformer ratio matching the maximum
CT ratio of the breakers at the Q0715 POI substation.If a fault is detected in the short
conductor connection,both the 138kV breakers in the Q0715 POI substation and the
138kV breaker in the Interconnection Customer's tie line substation will be tripped.
Install facilities capable of detecting and clearing faults on the tie line between the tie
line substation and the collector substation in five cycles or less.
6.3.2 TRANSMISSIONPROVIDER TO BE RESPONSIBLEFOR
Construct a new 138 kV three breaker ring bus substation southwest of the Whitney
Canyon Tap (near structure 116),with associated switches and line terminations to
serve as the POI substation.The substation will be approximately 170'x 300'(fence
dimensions)based on the Interconnection Customer provided facility requirements,
company standards and property requirements.The Q0715 POI substation will be
located adjacent to the Interconnection Customer's tie line substation with a common
fence between the facilities.The ground grids for the substations will be tied together
and conduit will be installed between the substation to facilitate installation of
protection,control,and indication cables.
The followingis a list of the required major equipment:
3 -138 kV Power Circuit Breakers
6 -138 kV CCVTs
3 -138 kV CT/VT Metering Units
11 -138 kV Switches
9 -138 kV Lightning Arresters
1 -138 kV SSVT
1 -Control House
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Loop the Carter Creek-Railroad 138kV transmission line through the new Q0715 POI
substation.The construction of these new segments of transmission line will consist of
two line routes in and out of the Q0715 POI substation.The loop in/out lines will be
single-circuit wood structures with 795ACSR conductor and 1/2"OPGW fiber optic
shield wire.The OPGW will also be extended into the new Q0715 POI substation
Install redundant communications from the RAS controller to the Project.
Install a relay at the Q0715 POI substation to monitor the voltage magnitude and
frequency.If the magnitude or frequency of the voltage is outside of normal range of
operation a signal will be sent over the communication system to the collector
substation.At the collector substation this signal is to trip open all of the 34.5 kV feeder
breakers to disconnect the wind turbine generators.By tripping the 34.5 kV breakers
instead of the 138kV breakers the station service to the Generating Facility is
maintainedto facilitate the restoration of the generation.This relay will also have phase
and ground directional overcurrent elements set to operate for faults in the line between
the Q0715 POI substation and the collector substation and serve as a backup to the
main protection installed by the Interconnection Customer as indicated in the previous
paragraph.
Install protective relays for line fault detection at the Transmission Provider's 138kV
Q0715 POI substation for the protection of the tie lines to the Interconnection
Customer's tie line substation and the line to Railroad substation,where a two-terminal
transmission line current differential will be implemented.The lines from the Q0715
POI substation to Compression substation will also be protected with a two-terminal
transmission line current differential relay system.The connection to WhitneyCanyon
substation will be treated as a load for this line differential.
Installingan RTU at the POI substation to acquire the data listed below.This data will
be used to operate the power system.
Listed below is the data that will be acquired at the Q0715 POI substation.
From the Q0715 POI substation:
Analogs:
Net Generationreal power
Net Generatorreactive power
Interchangeenergy register
From tie substation:
Status:
138kV breaker
Install fiber on the existing line from Canyon Compression substation to the new Q0715
POI substation.
Install a 48 volt communication battery and charger is required for protection circuits
at the POI substation.
Install substation network at the POI,Canyon Compression and tie line substations.At
Canyon Compression substation the communications will be connected to the
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Transmission Provider's existing communications backbone via existing fiber and
microwave.
Install a leased Tl circuit at the Q0715 POI substation with the other end terminated at
Naughton substation,for the Naughton RAS requirements for redundant
commumcations.
Designing,procuring and constructing all interconnection revenue metering,including
the instrument transformers,metering panels,junction box and secondary metering
wire.The interchange metering will be designed bidirectional and rated for the total net
generation of the Project includingmetering the retail load (per tariff)delivered to the
Interconnection Customer.The primary metering transformers shall be combination
138 kV,500/5,RF =2,CT/VT extended range for high accuracy metering.
o The metering design package will include two revenue quality meters,test switch,
with DNP real-time digital data terminated at a metering interposition block.One
meter will be designated a primary SCADA meter and a second meter will be
designated as backup with metering DNP data delivered to the alternate control
center.The metering data will include bidirectional KWH KVARH,revenue
quantities including instantaneous PF,MW,MVAR including per phase voltage
and amps data.There will be no revenue metering located at the Interconnection
Customer's collector substation.There will be operational data gathered at the
collector substation.
Install an Ethernet connection for retail sales and generation accounting via the MV-90
translation system.
6.4 Other
The followingoutlines the design,procurement,construction,installation,and ownership
of equipment past the POI.
6.4.1 TRANSMISSIONPROVIDER TO BE RESPONSIBLE FOR
Reconductor approximately 28.3 miles of the existing Silver Creek -
Snyderville -Cottonwood 138 kV transmission line to increase the line
rating.This includes obtaining all necessary easements and permitting.
The existing line segments with 397.5 ACSR and 500 AAC conductor
will be reconductored with 477 ACSS/TW High Temperature
conductor.This work will require approximately 92 of the existing 460
structures to be replaced.
Modify the existing Naughton West Remedial Action Scheme ("RAS")
to integrate the Q0715 Project.If the average of the flows on west of
Naughton and west of Evanston is above 900 MW,Q0715 will be armed
to trip for the N-2 outages of either Ben Lomond -Birch Creek 230 kV
line +Ben Lomond -Naughton or Naughton -Birch Creek 230 kV line
+Ben Lomond -Naughton 230 kV line.
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7.0 COST ESTIMATE (+/-20%)
The followingestimate represents only scopes of work that will be performed by the
Transmission Provider.Costs for any work being performed by the Interconnection Customer are
not included.
Interconnection -Direct AssignmentFacilities
Q0715 collector substation -Add Communications $219,000
Q0715 Tie Line Substation -Add Relaying $145,000
Q0715 Naughton substation -Modify RAS $105,000
Q0715 POI Substation -Metering,Protection &Control and $1,414,000
line position equipment
Total Direct Assignment $1,883,000
Interconnection -Network Upgrade Facilities
Q0715 POI substation -Add 138 kV three-breakerring bus $4,665,000
Railroad substation -Add line relays $168,000
Canyon Compression substation -Add line relays $299,000
Carter Creek to Railroad 138 kV -Loop for POI substation and fiber $798,000
Cottonwood to Silver Creek -Reconductor 28.3 miles of 138 kV $6,538,000
Total Network Upgrade $12,468,000
Total Cost $14,351,000
*Any distribution line modifications identified in this report will require a field visit analysis in
order to obtain a more thorough understanding of the specific requirements.The estimate
provided above for this work could change substantially based on the results of this analysis.
Until this field analysis is performed the Transmission Provider must develop the project
schedule using conservative assumptions.The Interconnection Customer may request that the
Transmission Provider perform this field analysis,at the Interconnection Customer's expense,
prior to the execution of an Interconnection Agreement in order to obtain more cost and schedule
certamty.
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Note:Costs for any excavation,duct installation and easements shall be borne by the
Interconnection Customer and are not included in this estimate.This estimate is as accurate as
possibly given the level of detailed study that has been completed to date and approximates the
costs incurred by Transmission Provider to interconnect this GeneratorFacility to Transmission
Provider's electrical distribution or transmission system.The Interconnection Customer will be
responsible for all actual costs,regardless of the estimated costs communicated to or approved
by the Interconnection Customer.
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8.0 SCHEDULE
Execute Interconnection Agreement April 28,2017
Provision of Financial Security April 28,2017
Interconnection Customer Design Information Provided May 31,2017
*Transmission Provider Engineering &Procurement Commences July 10,2017
Transmission Provider Reconductor Permitting Commences August 7,2017
Interconnection Customer Property/Permits/ROW Procured December 1,2017
**EnergyImbalance Market Modeling Data Submittal December 15,2017
Transmission Provider Engineering Design Complete January 31,2018
Reconductor Permitting Complete August 5,2019
Construction Begins June 1,2019
Interconnection Customer's Facilities Receive Backfeed Power June 3,2020
Initial Synchronization/Generation Testing July 8,2020
Commercial Operation August 4,2020
*As applicable and determined by the Transmission Provider,within 60 days of the
Interconnection Customer's authorization for the Transmission Provider to begin engineering,the
Interconnection Customer shall provide a detailed short circuit model of its generation system.
This model must be constructed using the ASPEN OneLine short circuit simulation program and
contain all individual electrical components of the Interconnection Customer's generation system.
**Any design modifications to the Interconnection Customer's GeneratingFacility after this date
requiring updates to the Transmission Provider's network model will result in a minimum of 3
months added to all future milestones including Commercial Operation.
Please note,the time required to perform the scope of work identified in this report appears to
result in a timeframe that does not support the Interconnection Customer's requested Commercial
Operation date of July 1,2017
9.0 PARTICIPATION BY AFFECTED SYSTEMS
Transmission Provider has identified the followingaffected systems:None.
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10.0APPENDICES
Appendix 1:Higher Priority Requests
Appendix 2:Property Requirements
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10.1 Appendix1:HigherPriority Request
All active higher priority transmission service and/or generator interconnection requests will be
considered in this study and are identified below.If any of these requests are withdrawn,the
Transmission Provider reserves the right to restudy this request,as the results and conclusions
containedwithin this study could significantlychange.
Transmission/GenerationInterconnection Queue Requests considered:
Q0199 (200 MW)
Q0200 (100 MW)
Q0201 (100 MW)
Q0290 (252 MW)
Q0306-A (48.3 MW)
Q0335 (49.6 MW)
Q0375 (230 MW)
Q0409 (320 MW)
Q0542 (240 MW)
Q0706 (250 MW)
Q0707 (250 MW)
Q0708 (250 MW)
Q0712 (750MW)
Q0713 (350 MW)
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10.2 Appendix2:Property Requirements
Property Requirementsfor Point of Interconnection Substation &Tie Line
Requirementsfor rights of way easements
Rights of way easements will be acquired by the Interconnection Customer in the Transmission
Provider's name for the construction,reconstruction,operation,maintenance,repair,replacement
and removal of Transmission Provider's Interconnection Facilities that will be owned and operated
by PacifiCorp.Interconnection Customer will acquire all necessary permits for the project and will
obtain rights of way easements for the project on Transmission Provider's easement form.
Transmission Provider will acquire the rights of way easements and permitting for any upgrades
made to existing PacifiCorp facilities.
Real Property Requirementsfor Point of Interconnection Substation
Real property for a point of interconnection substation will be acquired by an Interconnection
Customer to accommodate the Interconnection Customer's project.The real property must be
acceptable to Transmission Provider.Interconnection Customer will acquire fee ownership for
interconnection substation unless Transmission Provider determines that other than fee ownership
is acceptable;however,the form and instrument of such rights will be at Transmission Provider's
sole discretion.Any land rights that Interconnection Customer is planning to retain as part of a fee
property conveyance will be identified in advance to Transmission Provider and are subject to the
Transmission Provider's approval.
The Interconnection Customer must obtain all permits required by all relevantjurisdictionsfor the
planned use including but not limited to conditional use permits,Certificates of Public
Convenience and Necessity,California Environmental Quality Act,as well as all construction
permits for the project.
Interconnection Customer will not be reimbursed through network upgrades for more than the
market value of the property.
As a minimum,real property must be environmentally,physically,and operationally acceptable to
Transmission Provider.The real property shall be a permitted or permittable use in all zoning
districts.The Interconnection Customer shall provide Transmission Provider with a title report and
shall transfer property without any material defects of title or other encumbrances that are not
acceptable to Transmission Provider.Property lines shall be surveyed and show all encumbrances,
encroachments,and roads.
Examples of potentially unacceptable environmental,physical,or operational conditions could
include but are not limited to:
1.Environmental:known contamination of site;evidence of environmental
contamination by any dangerous,hazardous or toxic materials as defined by any
governmental agency;violation of building,health,safety,environmental,fire,
land use,zoning or other such regulation;violation of ordinances or statutes of
any governmental entities having jurisdiction over the property;underground or
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above ground storage tanks in area;known remediation sites on property;ongoing
mitigation activities or monitoring activities;asbestos;lead-based paint,etc.A
phase I environmental study is required for land being acquired in fee by the
Transmission Provider unless waived by Transmission Provider.
2.Physical:inadequate site drainage;proximity to flood zone;erosion issues;
wetland overlays;threatened and endangered species;archeological or culturally
sensitive areas;inadequate sub-surface elements,etc.Transmission Provider may
require Interconnection Customer to procure various studies and surveys as
determined necessary by Transmission Provider.
Operational:inadequate access for Transmission Provider's equipment and vehicles;existing
structures on land that require removal prior to building of substation;ongoing maintenance for
landscaping or extensive landscape requirements;ongoing homeowner's or other requirements or
restrictions (e.g.,Covenants,Codes and Restrictions,deed restrictions,etc.)on property which
are not acceptable to the Transmission Provider.
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